rules.mk: provide a macro "file_copy" which removes any symlink in the destination dir that would be overwritten

SVN-Revision: 34437
This commit is contained in:
Jo-Philipp Wich 2012-12-02 12:20:34 +00:00
parent 9f3dc9afa7
commit 828597693e

View File

@ -287,6 +287,24 @@ define locked
-c '$(subst ','\'',$(1))'
endef
# Recursively copy paths into another directory, purge dangling
# symlinks before.
# $(1) => File glob expression
# $(2) => Destination directory
define file_copy
for src_dir in $(sort $(foreach d,$(wildcard $(1)),$(dir $(d)))); do \
( cd $$src_dir; find -type f -or -type d ) | \
( cd $(2); while :; do \
read FILE; \
[ -z "$$FILE" ] && break; \
[ -L "$$FILE" ] || continue; \
echo "Removing symlink $(2)/$$FILE"; \
rm -f "$$FILE"; \
done; ); \
done; \
$(CP) $(1) $(realpath $(2)/)/
endef
# file extension
ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))